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Microsoft Copilot in Excel in Microsoft 365 Copilot: what does this AI read, and can you turn it off?

Checked on October 27, 2026

This AI is not on by default; it can be turned off.

The facts, edition by edition

All editions
What the AI doesAnalyze “Microsoft Copilot in Excel assists users with suggestions for formulas, chart types, and insights about data in spreadsheets.” “Copilot in Excel introduces new finance-focused capabilities that help teams work to their standards, use trusted financial data, and stay in control of every change.” [4] dated copy
ModelNot yet verified
What it readsDocuments “Microsoft Copilot in Excel assists users with suggestions for formulas, chart types, and insights about data in spreadsheets.” [4] dated copy
Where the data goesNot documented by the vendor “Models provided by Anthropic as a subprocessor are currently excluded from the EU Data Boundary.” [3] dated copy
Trains on your dataNo “Data stored about user interactions with Microsoft Copilot is encrypted and isn't used to train foundation models (including those used by Microsoft Copilot) from model providers such as Microsoft (Azure Open AI Service), Anthropic, or OpenAI.” “isn't used to train foundation models (including those used by Microsoft Copilot) from model providers such as Microsoft (Azure Open AI Service), Anthropic, or OpenAI.” “Prompts, responses, and data accessed through Microsoft Graph aren't used to train foundation LLMs, including those used by Microsoft Copilot.” [4] dated copy
On by defaultNo “Une licence distincte pour une offre Microsoft 365 éligible est nécessaire.” [1]
Can be turned offYes “If you turn off connected experiences that analyze your content on devices in your organization, Microsoft Copilot features won't be available to your users in the following apps:” [3] dated copy
BillingNot yet verified
Feature typeNot yet verified
Frameworks the catalog links to itNot yet verified

All editions

What the AI does
Analyze “Microsoft Copilot in Excel assists users with suggestions for formulas, chart types, and insights about data in spreadsheets.” “Copilot in Excel introduces new finance-focused capabilities that help teams work to their standards, use trusted financial data, and stay in control of every change.” [4] dated copy
Model
Not yet verified
What it reads
Documents “Microsoft Copilot in Excel assists users with suggestions for formulas, chart types, and insights about data in spreadsheets.” [4] dated copy
Where the data goes
Not documented by the vendor “Models provided by Anthropic as a subprocessor are currently excluded from the EU Data Boundary.” [3] dated copy
Trains on your data
No “Data stored about user interactions with Microsoft Copilot is encrypted and isn't used to train foundation models (including those used by Microsoft Copilot) from model providers such as Microsoft (Azure Open AI Service), Anthropic, or OpenAI.” “isn't used to train foundation models (including those used by Microsoft Copilot) from model providers such as Microsoft (Azure Open AI Service), Anthropic, or OpenAI.” “Prompts, responses, and data accessed through Microsoft Graph aren't used to train foundation LLMs, including those used by Microsoft Copilot.” [4] dated copy
On by default
No “Une licence distincte pour une offre Microsoft 365 éligible est nécessaire.” [1]
Can be turned off
Yes “If you turn off connected experiences that analyze your content on devices in your organization, Microsoft Copilot features won't be available to your users in the following apps:” [3] dated copy
Billing
Not yet verified
Feature type
Not yet verified
Frameworks the catalog links to it
Not yet verified

To turn it off

  • All editions: Yes “If you turn off connected experiences that analyze your content on devices in your organization, Microsoft Copilot features won't be available to your users in the following apps:” [3] dated copy

Frameworks the catalog links to it

Linked frameworks will appear once the reference set is published.

  • All editions: Not yet verified

Sources

  1. Microsoft 365 Copilot, tarifs entreprise, Microsoft, October 8, 2026
  2. Microsoft 365 Copilot Business, tarifs, Microsoft, October 8, 2026
  3. Data, Privacy, and Security for Microsoft Copilot, Microsoft, October 22, 2026
  4. Application card: Microsoft Copilot (for organizations), Microsoft, October 22, 2026
  5. Microsoft 365 Roadmap, ID 558286, Microsoft, October 22, 2026

Change log

No change since first publication.

This fact sheet says nothing about your setup: the free readout, in French for now, reads it in your tools.

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